Publikationsdatum:
2019-06-28
Beschreibung:
The 1.24 second binary pulsar Her X-1, first observed in X-rays in 1971 by UHURU has now been seen as a sporadic gamma ray source from 1 TeV up to at least 500 TeV. In addition, reprocessed optical and infrared pulses are seen from the companion star HZ Herculis. Thus measurements of the Her X-1/HZ Herculis system span 15 decades in energy, rivaling both the Crab pulsar and Cygnus X-3 in this respect for a discrete galactic source.
Schlagwort(e):
SPACE RADIATION
Materialart:
OG-2.2-9
,
19th Intern. Cosmic Ray Conf - Vol. 1; p 119-122; NASA-CP-2376-VOL-1
Format:
application/pdf
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